.site-header>nav{display:flex;align-items:center;gap:clamp(12px,2.5vw,30px)}
.language-picker{position:relative;flex:none;font-family:Arial,"Noto Sans",sans-serif;line-height:1.4;z-index:50;border:0;padding:0;margin:0;background:transparent}
.language-picker summary{list-style:none;display:flex;align-items:center;justify-content:center;gap:7px;min-height:44px;padding:6px 8px;cursor:pointer;font-size:13px;font-weight:500;border-radius:7px;user-select:none}
.language-picker summary::-webkit-details-marker{display:none}
.language-picker summary:hover,.language-picker[open] summary{background:rgba(52,75,59,.07)}
.language-picker summary:focus-visible,.language-picker a:focus-visible{outline:2px solid #344b3b;outline-offset:3px}
.language-picker .language-chevron{transition:transform .15s}
.language-picker[open] .language-chevron{transform:rotate(180deg)}
.language-picker ul{position:absolute;right:0;top:calc(100% + 8px);width:180px;max-width:calc(100vw - 40px);margin:0;padding:7px;list-style:none;background:#fff;border:1px solid #e5e8e1;border-radius:14px;box-shadow:0 10px 30px rgba(24,35,27,.1)}
.site-header .language-picker a{display:flex;justify-content:space-between;align-items:center;min-height:42px;gap:14px;padding:9px 12px;border-radius:8px;text-decoration:none;font-size:14px;font-weight:400;white-space:nowrap}
.language-picker a:hover,.language-picker a[aria-current]{background:#edf1e9;color:#2c4734}
.language-check{visibility:hidden;font-size:13px}.language-picker a[aria-current] .language-check{visibility:visible}
html:lang(zh) h1,html:lang(ko) h1,html:lang(ja) h1{font-family:Arial,"Noto Sans",sans-serif;font-weight:400;line-height:1.2;font-size:clamp(2rem,4.3vw,4rem)}
html:lang(zh) .step-label,html:lang(ko) .step-label,html:lang(ja) .step-label{letter-spacing:.06em}
html:lang(zh) .purchase-label,html:lang(ko) .purchase-label,html:lang(ja) .purchase-label{font-size:clamp(1.1rem,2.4vw,1.65rem)}
@media(max-width:480px){.site-header>nav{gap:8px}.site-header>nav>a{font-size:12px}.language-picker summary{padding:6px 5px;gap:5px}.site-header .wordmark{white-space:nowrap}.language-picker ul{right:0}}